diff --git a/README.markdown b/README.markdown
index a081109a..55ccbfdc 100644
--- a/README.markdown
+++ b/README.markdown
@@ -105,7 +105,7 @@ Example programs can be found in the `github.com/miekg/exdns` repository.
 * 5205 - HIP record
 * 5702 - SHA2 in the DNS
 * 5936 - AXFR
-* 5966 - TCP implementations
+* 5966 - TCP implementation recommendations
 * 6605 - ECDSA
 * 6742 - ILNP DNS
 * 6891 - EDNS0 update